First read and observe the introductory information
and safety warnings
For good vehicle handling when driving a loaded vehicle, please observe the following:

WARNING
Driving with an open tailgate
Vehicle-specific weight ratingsVolkswagen Touran Owners Manual. Checklist
In some countries, special safety standards and emissions-related
legislation apply that may differ from the construction of the vehicle. Volkswagen
recommends that you visit your Volkswagen dealer before travelling abroad to
find out about any legal requirements and the following points ...
Volkswagen Touran Service Manual. Valve, Removing and Installing, Rubber Valve
Make sure wheel rim is clean.
Using the Valve Fitting Tool Valve Fitting Tool -VAS6459--1-,
insert a new tire valve.
Remove the valve insert.
...